: the fact or an instance of deviating or being aberrant especially from a moral standard or normal state
aberrations of character
b
: something or someone regarded as atypical and therefore able to be ignored or discounted
Harkins was to be regarded as an aberration among American military leaders … Neil Sheehan
The U.S. establishment treated this grassroots movement almost as an aberration, virtually ignoring it. Helen Caldicott
As for Putin's desire to lay waste to Chechnya, Western leaders largely dismiss it as an aberration …The New Republic
2
: failure of a mirror, refracting surface, or lens to produce exact point-to-point correspondence between an object and its image
chromatic aberration
… the telescope suffers from a serious focusing problem, a condition known as spherical aberration, which causes the point-like images of stars to be surrounded by fuzzy haze. M. Mitchell Waldrop
Recently geneticists have taken a closer look at a genetic aberration previously considered rare … . The genes may be perfectly normal, yet there is a shortage or surplus of DNA sequences that may play a role in diseases that defy straightforward genetic patterns … Melinda Wenner, Scientific American, June 2009He did hit five homers for Texas in 1987, but that was an aberration. In no other major league season has he hit more than three, and last season he actually came up with a goose egg. E. M. Swift, Sports Illustrated, 5 Apr. 1989Gilliard's studies of numerous bird of paradise species brought them from the realm of exotic aberrations to the forefront of sociobiology. Jared M. Diamond, Nature, 24-30 Sept. 1981 For her, such a low grade on an exam was an aberration. a study of sexual aberration
Recent Examples on the WebConsidering the Buffaloes’ early success under coach Karl Dorrell appears to be an aberration and the Huskies remain in rebuilding mode under first-year coach Kalen DeBoer, make it 5-0. Ben Bolch, Los Angeles Times, 27 Aug. 2022 The owner of Annabelle, La Bise and some of the best Indian restaurants on the East Coast acknowledges that his latest production is something of an aberration. Tom Sietsema, Washington Post, 25 July 2022 That San Diego County now has nearly 2,000 hotel rooms under construction is something of an aberration because of the Gaylord Pacific Resort in Chula Vista — a waterfront project that has been decades in the making.San Diego Union-Tribune, 18 July 2022 Some analysts think that number will be even higher, which will spark a multi-day round of media analysis about whether the results are some kind of an aberration. Andy Meek, BGR, 11 July 2022 Trans has long been understood to be an aberration. Spin Staff, SPIN, 15 Aug. 2022 Apparently, Green Bay believes that was an aberration, as most if its starters were back on the bench Friday. Rob Reischel, Forbes, 13 Aug. 2022 The quarter’s decline could have been dismissed as a hiccup, because Netflix has suspended operations in Russia, but the future projections suggest that this is no aberration. David Sims, The Atlantic, 26 Apr. 2022 That this hasn't happened is seemingly a temporary aberration, with the potency of the technology inevitably likely to win out and achieve the transformational results promised. Adi Gaskell, Forbes, 12 July 2022 See More
Word History
Etymology
borrowed from Latin aberrātiōn-, aberrātiō "diversion, relief," from aberrāre "to wander away" + -tiōn-, -tiō, suffix of action nouns — more at aberrant entry 1